Home / 8,775,837.80-12,111,275.28-4,908,718.78

Finding the Fourth Proportional to 8,775,837.80, 12,111,275.28 and 4,908,718.78

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Solution

The fourth proportional to 8,775,837.80, 12,111,275.28 and 4,908,718.78 is: 6,774,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775,837.80 : 12,111,275.28 = 4,908,718.78 : x
  2. Step 2: Convert to fraction form
    8,775,837.80/12,111,275.28 = 4,908,718.78/x
  3. Step 3: Cross multiply
    8,775,837.80x = 12,111,275.28 × 4,908,718.78
  4. Step 4: Simplify right side
    8,775,837.80x = 59,450,844,416,685.76
  5. Step 5: Solve for x
    x = 59,450,844,416,685.76/8,775,837.80
  6. Step 6: Final answer
    x = 6,774,378.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.